The only clue to find a killer was some footprints in the snow

In September 2012, Dan Markel, a Canada-born attorney and law professor, was away on a business trip. The highly respected Harvard graduate wrote about criminal law and sentencing in the justice syste

She fought to save her son but paid a terrible price

Before they could celebrate the new year, she shot him dead

For my family, Christmas will never be the same

A day of joy became a bloodbath